<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="发布者" prop="publisher">
        <el-input
          v-model="queryParams.publisher"
          placeholder="请输入发布者"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="发布时间" style="width: 308px">
        <el-date-picker
          v-model="daterangeTime"
          value-format="YYYY-MM-DD"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        ></el-date-picker>
      </el-form-item>
      <el-form-item label="截止日期" prop="endTime">
        <el-date-picker clearable
          v-model="queryParams.endTime"
          type="date"
          value-format="YYYY-MM-DD"
          placeholder="请选择截止日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['ly:groupbying:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['ly:groupbying:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['ly:groupbying:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['ly:groupbying:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="groupbyingList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="30" align="center" />
      <el-table-column label="店铺编号" align="center" prop="id" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="发布者" align="center" prop="publisher" />
      <el-table-column label="发布时间" align="center" prop="time" width="100">
        <template #default="scope">
          <span>{{ parseTime(scope.row.time, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="预览图" align="center" prop="img" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.img" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="内容介绍" align="center" prop="content" width="180">
        <template #default="{ row }">
          <div class="text-container" :class="{ 'expanded': row.expanded }">
            {{ row.content }}
          </div>
          <el-button
              type="text"
              size="small"
              @click="toggleExpand(row)"
          >
          </el-button>
        </template>
      </el-table-column>
      <el-table-column label="原价" align="center" prop="originalPrice" width="50"/>
      <el-table-column label="折扣价" align="center" prop="presentPrice" />
      <el-table-column label="截止日期" align="center" prop="endTime" width="100">
        <template #default="scope">
          <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="咨询电话" align="center" prop="telephone" width="130"/>
      <el-table-column label="注意事项" align="center" prop="note" width="100"/>
      <el-table-column label="阅读量" align="center" prop="num" width="50"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['ly:groupbying:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['ly:groupbying:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改团购活动对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="groupbyingRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="发布者" prop="publisher">
          <el-input v-model="form.publisher" placeholder="请输入发布者" />
        </el-form-item>
        <el-form-item label="发布时间" prop="time">
          <el-date-picker clearable
            v-model="form.time"
            type="date"
            value-format="YYYY-MM-DD"
            placeholder="请选择发布时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="预览图" prop="img">
          <image-upload v-model="form.img"/>
        </el-form-item>
        <el-form-item label="内容介绍">
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>
        <el-form-item label="原价" prop="originalPrice">
          <el-input v-model="form.originalPrice" placeholder="请输入原价" />
        </el-form-item>
        <el-form-item label="折扣价" prop="presentPrice">
          <el-input v-model="form.presentPrice" placeholder="请输入折扣价" />
        </el-form-item>
        <el-form-item label="截止日期" prop="endTime">
          <el-date-picker clearable
            v-model="form.endTime"
            type="date"
            value-format="YYYY-MM-DD"
            placeholder="请选择截止日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="咨询电话" prop="telephone">
          <el-input v-model="form.telephone" placeholder="请输入咨询电话" />
        </el-form-item>
        <el-form-item label="注意事项" prop="note">
          <el-input v-model="form.note" placeholder="请输入注意事项" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Groupbying">
import { listGroupbying, getGroupbying, delGroupbying, addGroupbying, updateGroupbying } from "@/api/ly/groupbying"

const { proxy } = getCurrentInstance()

const groupbyingList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const daterangeTime = ref([])

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    title: null,
    publisher: null,
    time: null,
    endTime: null,
  },
  rules: {
  }
})

const { queryParams, form, rules } = toRefs(data)

//内容简介的展开收起
const toggleExpand = (row) => {
  row.expanded = !row.expanded;
};
//查看内容
const showVisible = ref(false);


/** 查询团购活动列表 */
function getList() {
  loading.value = true
  queryParams.value.params = {}
  if (null != daterangeTime && '' != daterangeTime) {
    queryParams.value.params["beginTime"] = daterangeTime.value[0]
    queryParams.value.params["endTime"] = daterangeTime.value[1]
  }
  listGroupbying(queryParams.value).then(response => {
    groupbyingList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    title: null,
    publisher: null,
    time: null,
    img: null,
    content: null,
    originalPrice: null,
    presentPrice: null,
    endTime: null,
    telephone: null,
    note: null,
    num: null,
    deleted: null
  }
  proxy.resetForm("groupbyingRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  daterangeTime.value = []
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加团购活动"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getGroupbying(_id).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改团购活动"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["groupbyingRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateGroupbying(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addGroupbying(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除团购活动编号为"' + _ids + '"的数据项？').then(function() {
    return delGroupbying(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('ly/groupbying/export', {
    ...queryParams.value
  }, `groupbying_${new Date().getTime()}.xlsx`)
}

getList()
</script>

<style scoped>
.text-container {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3; /* 默认显示三行 */
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.5; /* 设置行高 */
  max-height: 4.5em; /* 三行的高度（1.5 * 3） */
}
.text-container.expanded {
  -webkit-line-clamp: unset; /* 展开时取消行数限制 */
  max-height: none; /* 展开时取消高度限制 */
}

</style>
